Câu hỏi: A hydroelectric dam ______________ in this area now.

A. is building

B. is being built

C. build

D. was built

Câu 1: The film _______ by the time we ________ to the cinema.

A. already began - got

B. have already begun - got

C. had already begun - got

D. already began - had got

Câu 2: Deforestation _________ destroying Earth’s plant and animal variety.

A. are

B. be

C. is

D. being

Câu 3: After she ________ hospital, she had a long holiday.

A. leaves

B. is leaving

C. had left

D. has left

Câu 4: The two children blamed each other ...... the window.

A. to break

B. breaking

C. for breaking

D. having broken

Câu 5: I threw my old trainers and bought some new .................. .

A. ones

B. one

C. some

D. any

Câu 6: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism